/***************************************************************************/
/*                                                                         */
/*  ttpic.c                                                                */
/*                                                                         */
/*    The FreeType position independent code services for truetype module. */
/*                                                                         */
/*  Copyright 2009 by                                                      */
/*  Oran Agra and Mickey Gabel.                                            */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "ttpic.h"

#ifdef FT_CONFIG_OPTION_PIC

/* forward declaration of PIC init functions from ttdriver.c */
FT_Error FT_Create_Class_tt_services(FT_Library, FT_ServiceDescRec**);
void FT_Destroy_Class_tt_services(FT_Library, FT_ServiceDescRec*);
void FT_Init_Class_tt_service_gx_multi_masters(FT_Service_MultiMastersRec*);
void FT_Init_Class_tt_service_truetype_glyf(FT_Service_TTGlyfRec*);

void
tt_driver_class_pic_free(FT_Library library)
{
    FT_PIC_Container* pic_container = &library->pic_container;
    FT_Memory memory = library->memory;
    if (pic_container->truetype)
    {
        TTModulePIC* container = (TTModulePIC*)pic_container->truetype;
        if (container->tt_services)
            FT_Destroy_Class_tt_services(library, container->tt_services);
        container->tt_services = NULL;
        FT_FREE(container);
        pic_container->truetype = NULL;
    }
}

FT_Error
tt_driver_class_pic_init(FT_Library library)
{
    FT_PIC_Container* pic_container = &library->pic_container;
    FT_Error error = FT_Err_Ok;
    TTModulePIC* container;
    FT_Memory memory = library->memory;

    /* allocate pointer, clear and set global container pointer */
    if (FT_ALLOC(container, sizeof(*container)))
        return error;
    FT_MEM_SET(container, 0, sizeof(*container));
    pic_container->truetype = container;

    /* initialize pointer table - this is how the module usually expects this data */
    error = FT_Create_Class_tt_services(library, &container->tt_services);
    if (error)
        goto Exit;
    #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
    FT_Init_Class_tt_service_gx_multi_masters(&container->tt_service_gx_multi_masters);
    #endif
    FT_Init_Class_tt_service_truetype_glyf(&container->tt_service_truetype_glyf);
Exit:
    if (error)
        tt_driver_class_pic_free(library);
    return error;
}

#endif /* FT_CONFIG_OPTION_PIC */


/* END */